quasiperiodic
adjective Date: circa 1890 almost but not quite periodic; especially periodic on a small scale but unpredictable at some larger scale • quasiperiodicity noun

New Collegiate Dictionary. 2001.

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  • quasiperiodic — adjective a) Almost periodic; recurring at irregular intervals. b) Such that an increment of a variable leads to a multiplication by some function …   Wiktionary

  • quasiperiodic — ˌ ̷ ̷ (ˌ) ̷ ̷ ˌ ̷ ̷  ̷ ̷ ˈ ̷ ̷  ̷ ̷ adjective Etymology: quasi (I) + periodic : almost but not quite periodic ; especially : periodic on a small scale but unpredictable at some larger scale …   Useful english dictionary

  • Quasiperiodic function — In mathematics, a function f is said to be quasiperiodic with quasiperiod (sometimes simply called the period ) omega; if for certain constants a and b , ensp; f satisfies the functional equation: f(z + omega) = exp(az+b) f(z). An example of this …   Wikipedia

  • Quasiperiodic motion — In mathematics and theoretical physics, quasiperiodic motion is in rough terms the type of motion executed by a dynamical system containing a finite number (two or more) of incommensurable frequencies. That is, if we imagine that the phase space… …   Wikipedia

  • Quasiperiodic tiling — A quasiperiodic tiling is a tiling of the plane which exhibits local periodicity under some transformations; we can slide or rotate it such that a finite number of tiles overlap perfectly, yet the entire tiling will not.See* Aperiodic tiling and… …   Wikipedia

  • quasiperiodic motion — kvaziperiodinis judėjimas statusas T sritis fizika atitikmenys: angl. quasiperiodic motion vok. quasiperiodische Bewegung, f rus. квазипериодическое движение, n pranc. mouvement pseudo périodique, m; mouvement quasi périodique, m …   Fizikos terminų žodynas

  • quasicrystal — /kway zuy kris tl, kway suy , kwah see , zee /, n. a form of solid matter whose atoms are arranged like those of a crystal but assume patterns that do not exactly repeat themselves. [1985 90] * * * Introduction also called  quasi periodic crystal …   Universalium

  • Quasicrystal — Atomic model of an aluminum palladium manganese (Al Pd Mn) quasicrystal surface. Similar to Fig. 6 in Ref.[1] A quasiperiodic crystal, or, in short, quasicrystal, is a structure that is ordered but not periodic. A quasicrystalline pattern can… …   Wikipedia

  • Aperiodic tiling — are an aperiodic set of tiles, since they admit only non periodic tilings of the plane:] Any of the infinitely many tilings by the Penrose tiles is non periodic. More informally, many refer to the Penrose tilings as being aperiodic tilings , but… …   Wikipedia

  • Kolmogorov–Arnold–Moser theorem — The Kolmogorov–Arnold–Moser theorem is a result in dynamical systems about the persistence of quasi periodic motions under small perturbations. The theorem partly resolves the small divisor problem that arises in the perturbation theory of… …   Wikipedia

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